506246221631 has 8 divisors (see below), whose sum is σ = 510224315328. Its totient is φ = 502281108000.

The previous prime is 506246221571. The next prime is 506246221643. The reversal of 506246221631 is 136122642605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506246221631 - 2²⁶ = 506179112767 is a prime.

It is a super-2 number, since 2×506246221631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506246221331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166700 + ... + 3322721.

It is an arithmetic number, because the mean of its divisors is an integer number (63778039416).

Almost surely, 2^506246221631 is an apocalyptic number.

506246221631 is a deficient number, since it is larger than the sum of its proper divisors (3978093697).

506246221631 is a wasteful number, since it uses less digits than its factorization.

506246221631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490033.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 506246221631 in words is "five hundred six billion, two hundred forty-six million, two hundred twenty-one thousand, six hundred thirty-one".